KEHN

JOSHUA KEHN

About

I’m a software engineer living in New York City. I build award winning solutions for companies like IDEO, Thomson Reuters, and beIN Sports. I founded JAKT, a leading design and development consultancy that uses technology to solve problems for entrepreneurs and cor­po­ra­tion. I also started the proposal for what would become The Workplace. Continue reading.

Altering table structures in PostgreSQL are safe, with some exceptions around what locks transcations have running. The access exclusive lock will wait for any transaction to finish and block other transactions from starting.